M30281F6HP#U9B - 16-bit M16C/Tiny MCU 48KB Flash 64-LQFP | Renesas
MPN: M30281F6HP#U9B ✓ Hoạt độngM30281F6HP#U9B Tóm tắt
A microcontroller (MCU) is a single-chip computer containing a processor core, program memory (Flash/ROM), working memory (RAM), and peripheral blocks such as timers, communication controllers, and analog interfaces. 16-bit microcontrollers occupy the middle ground between 8-bit entry-level MCUs and 32-bit ARM Cortex devices, delivering higher code density, native handling of larger data types, and richer peripherals while keeping cost and power modest. The M16C/Tiny series uses the R8C CISC core, which provides a compact 16-bit instruction set with high code density.
Key features include 48 KB flash memory organized as 48K × 8, 4 KB RAM organized as 4K × 8, an internal oscillator, 55 programmable I/O pins, and an operating temperature range of -20 °C to +85 °C. The 64-LQFP (10 × 10 mm) package offers a compact footprint while providing ample I/O for embedded designs. The MCU supports low-power operation modes to extend battery life in portable systems.
The M16C architecture uses a Harvard-style internal bus with separate instruction and data paths, which improves throughput versus single-bus designs at the same clock rate. The integrated flash memory supports in-circuit programming via a serial interface, simplifying firmware updates in production and in the field. Built-in safety features include a watchdog timer, voltage detection circuits, and clock monitors.
Typical applications include automotive body electronics, HVAC control modules, white-goods motor control, sensor interface boards, and small consumer appliances. The wide 3 V to 5 V supply range also supports industrial 5 V backplane systems. The internal oscillator reduces BOM cost by removing external crystals in cost-sensitive designs.
When designing with this MCU, ensure the firmware update procedure leaves the M16C/Tiny/28 vector table in a consistent state during flash writes. Decoupling capacitors must be placed close to all VCC/AVCC pins, and unused I/O pins should be configured as outputs with defined levels to minimize power consumption. Designers should verify the package's thermal performance when driving multiple high-current loads.
This page consolidates verified distributor pricing, same-package alternatives, and practical design notes that go beyond the manufacturer datasheet summary, giving engineers a one-stop reference for selecting and sourcing the M30281F6HP#U9B.
Bộ thay thế dễ dàng lắp đặt cho M30281F6HP#U9B — cùng gói, chân-to-chân tương thích. Các bộ phận yêu cầu hàn PCB bị loại trừ.
Các biến thể trong loạt này
Các mẫu cùng loạt có thể lắp đặt dễ dàng tương thích với M30281F6HP#U9B (cùng hình factor và footprint) — khác nhau ở Series, RoHS Status, Core Architecture, Operating Temperature, Package / Case.
M30281F6HP#U5B
✅ Drop-InLiên hệ để biết giá
Xem tài liệu →M30281F6HP#U3B
✅ Drop-InLiên hệ để biết giá
Xem tài liệu →M30281F6HP#UFB
✅ Drop-In📋 Tham chiếu thay thế (không có trong danh mục)
M30281F6HP#U9B Tỷ lệ tối đa & tính chất điện
| Core Architecture | M16C/Tiny (R8C CISC, 16-bit) |
| Series | M16C/Tiny/28 |
| Program Memory Size | 48 KB (48K x 8) |
| Program Memory Type | Flash |
| RAM Size | 4 KB (4K x 8) |
| CPU Speed (Max) | 20 MHz |
| Operating Voltage | 3 V to 5 V |
| Number of I/O | 55 |
| Hộp / Vỏ | 64-LQFP (10x10 mm) |
| Kiểu lắp đặt | Surface Mount |
| Oscillator Type | Internal |
| Packaging | Tray |
| Nhiệt độ hoạt động | -20 °C to +85 °C |
| Trạng thái RoHS | Pb-free (compliant) |
Cấu hình chân M30281F6HP#U9B
| Chân 1 | VREF — A/D converter reference voltage input |
| Chân 2 | AVSS — Analog ground |
| Chân 3 | P0_0/AN0 — Port 0 bit 0 / Analog input 0 |
| Chân 4 | P0_1/AN1 — Port 0 bit 1 / Analog input 1 |
| Chân 5 | P0_2/AN2 — Port 0 bit 2 / Analog input 2 |
| Chân 6 | P0_3/AN3 — Port 0 bit 3 / Analog input 3 |
| Chân 7 | P0_4/AN4 — Port 0 bit 4 / Analog input 4 |
| Chân 8 | P0_5/AN5 — Port 0 bit 5 / Analog input 5 |
| Chân 9 | P0_6/AN6 — Port 0 bit 6 / Analog input 6 |
| Chân 10 | P0_7/AN7 — Port 0 bit 7 / Analog input 7 |
| Chân 11 | VCC — Digital supply voltage (3-5 V) |
| Chân 12 | P1_0 — Port 1 bit 0 (I/O) |
| Chân 13 | P1_1 — Port 1 bit 1 (I/O) |
| Chân 14 | P1_2 — Port 1 bit 2 (I/O) |
| Chân 15 | P1_3 — Port 1 bit 3 (I/O) |
| Chân 16 | P1_4 — Port 1 bit 4 (I/O) |
| Chân 17 | P1_5 — Port 1 bit 5 (I/O) |
| Chân 18 | P1_6 — Port 1 bit 6 (I/O) |
| Chân 19 | P1_7 — Port 1 bit 7 (I/O) |
| Chân 20 | P3_0 — Port 3 bit 0 (I/O) |
| Chân 21 | P3_1 — Port 3 bit 1 (I/O) |
| Chân 22 | P3_2 — Port 3 bit 2 (I/O) |
| Chân 23 | P3_3 — Port 3 bit 3 (I/O) |
| Chân 24 | P3_4 — Port 3 bit 4 (I/O) |
| Chân 25 | P3_5 — Port 3 bit 5 (I/O) |
| Chân 26 | P3_6 — Port 3 bit 6 (I/O) |
| Chân 27 | P3_7 — Port 3 bit 7 (I/O) |
| Chân 28 | VSS — Digital ground |
| Chân 29 | P4_0 — Port 4 bit 0 (I/O) |
| Chân 30 | P4_1 — Port 4 bit 1 (I/O) |
| Chân 31 | P4_2 — Port 4 bit 2 (I/O) |
| Chân 32 | P4_3 — Port 4 bit 3 (I/O) |
| Chân 33 | P4_4 — Port 4 bit 4 (I/O) |
| Chân 34 | P4_5 — Port 4 bit 5 (I/O) |
| Chân 35 | P4_6 — Port 4 bit 6 (I/O) |
| Chân 36 | P4_7 — Port 4 bit 7 (I/O) |
| Chân 37 | P5_0 — Port 5 bit 0 (I/O) |
| Chân 38 | P5_1 — Port 5 bit 1 (I/O) |
| Chân 39 | P5_2 — Port 5 bit 2 (I/O) |
| Chân 40 | P5_3 — Port 5 bit 3 (I/O) |
| Chân 41 | P6_0 — Port 6 bit 0 (I/O) |
| Chân 42 | P6_1 — Port 6 bit 1 (I/O) |
| Chân 43 | P6_2 — Port 6 bit 2 (I/O) |
| Chân 44 | P6_3 — Port 6 bit 3 (I/O) |
| Chân 45 | P6_4 — Port 6 bit 4 (I/O) |
| Chân 46 | P6_5 — Port 6 bit 5 (I/O) |
| Chân 47 | P6_6 — Port 6 bit 6 (I/O) |
| Chân 48 | P6_7 — Port 6 bit 7 (I/O) |
| Chân 49 | P7_0 — Port 7 bit 0 (I/O) |
| Chân 50 | P7_1 — Port 7 bit 1 (I/O) |
| Chân 51 | P7_2 — Port 7 bit 2 (I/O) |
| Chân 52 | P7_3 — Port 7 bit 3 (I/O) |
| Chân 53 | P7_4 — Port 7 bit 4 (I/O) |
| Chân 54 | P7_5 — Port 7 bit 5 (I/O) |
| Chân 55 | P7_6 — Port 7 bit 6 (I/O) |
| Chân 56 | P7_7 — Port 7 bit 7 (I/O) |
| Chân 57 | MODE — Mode select (test/programming mode entry) |
| Chân 58 | RESET — Reset input (active low) |
| Chân 59 | XIN — External clock input / crystal oscillator input |
| Chân 60 | XOUT — External clock output / crystal oscillator output |
| Chân 61 | VCC — Digital supply voltage (3-5 V) |
| Chân 62 | P8_0 — Port 8 bit 0 (I/O, may be used as data bus) |
| Chân 63 | P8_1 — Port 8 bit 1 (I/O) |
| Chân 64 | P8_2 — Port 8 bit 2 (I/O) |
Ứng dụng tiêu biểu
M30281F6HP#U9B phù hợp cho 6 Áp dụngs: Automotive Body Electronics, White Goods and Appliance Control, Industrial Sensor Interface Boards, Small Motor Control Modules, Portable Consumer Devices, Home Automation and IoT Edge Nodes.
Automotive Body Electronics
The M30281F6HP#U9B suits automotive body-electronics modules such as door/window controllers, seat-position controllers, and HVAC damper drivers where 55 I/O pins drive relays, sensors, and LIN/CAN-side companion ICs. Its 48 KB flash holds application logic plus diagnostics, and the 3-5 V supply tolerance handles 12 V automotive rails pre-regulated down to 5 V. Compared to an 8-bit MCU at the same MHz, the 16-bit R8C core reduces code size and improves interrupt latency, critical for body-control timing.
Được đề xuất
White Goods and Appliance Control
In washing machines, dishwashers, and microwave ovens the M30281F6HP#U9B drives user-interface keypads, displays, motor triac interfaces, and temperature sensors. Its 4 KB RAM supports protocol stacks for simple serial communications, while the 48 KB flash absorbs appliance firmware plus factory calibration data. The internal oscillator removes external crystal cost - a meaningful BOM win in consumer appliances where every cent counts and 1% frequency accuracy is sufficient.
Được đề xuất
Industrial Sensor Interface Boards
The M30281F6HP#U9B functions as a smart front-end for analog and digital sensors on industrial 5 V backplanes, scanning multiple transducers and presenting the data via UART, I2C, or SPI to a host controller. Its integrated A/D converter, timers, and 3-5 V tolerance allow direct connection to legacy 5 V sensors without level shifters. Compared to a 32-bit MCU at this price point, the 16-bit R8C core delivers the deterministic timing required for sampled sensor acquisition loops.
Được đề xuất
Small Motor Control Modules
For BLDC and stepper motor control boards under 50 W the M30281F6HP#U9B generates PWM signals, reads Hall sensors, and implements simple commutation algorithms. Its timers provide flexible PWM channels and capture inputs for rotor-position feedback, while 48 KB flash stores tuning tables. Compared to a Cortex-M0, this MCU trades raw MHz for code density and predictable interrupt latency - often preferable for safety-conscious motor-control firmware.
Được đề xuất
Portable Consumer Devices
Battery-powered handheld products such as remote controls, health monitors, and small toys benefit from the M30281F6HP#U9B's low-power modes, internal oscillator, and 3 V operation. The MCU wakes from sleep on peripheral interrupts, runs a brief task, and returns to sub-microamp standby to extend battery life. Compared to 32-bit parts, the 16-bit R8C core's simpler pipeline reduces active-mode current per MHz, helping meet tight portable power budgets.
Được đề xuất
Home Automation and IoT Edge Nodes
As an edge node in home automation the M30281F6HP#U9B aggregates sensor inputs (temperature, occupancy, contact closures) and transmits aggregated state via UART, SPI, or a sub-GHz transceiver. Its 48 KB flash handles firmware plus a basic MQTT-like message encoder, while the 3-5 V range supports both battery cells and USB-derived 5 V supplies. Compared to a Wi-Fi-enabled Cortex-M MCU, the M30281F6HP#U9B is the lower-cost choice when a host MCU or gateway handles connectivity.
Được đề xuất
Tóm tắt các sản phẩm được đề xuất
Dữ liệu tham khảo kỹ thuật cho M30281F6HP#U9B — so sánh, hướng dẫn thiết kế và thông tin tuân thủ.
Hướng dẫn chọn lựa
So sánh với các sản phẩm thay thế
| Tham số | Sản phẩm này | M30281F6HP#U5B | M30281F6HP#U3B | M30281F6HP#UFB |
|---|---|---|---|---|
| Brand | Renesas Electronics | Renesas Electronics | Renesas Electronics | Renesas Electronics |
| Package | 64-LQFP (10x10 mm) | 64-LQFP (10x10 mm) - same | 64-LQFP (10x10 mm) - same | 64-LQFP (10x10 mm) - same |
| Core Architecture | M16C/Tiny R8C 16-bit | M16C/Tiny R8C 16-bit | M16C/Tiny R8C 16-bit | M16C/Tiny R8C 16-bit |
| CPU Speed | 20 MHz | 20 MHz | 20 MHz | 20 MHz |
| Flash Memory | 48 KB | 48 KB | 48 KB | 48 KB |
| RAM Size | 4 KB | 4 KB | 4 KB | 4 KB |
| Number of I/O | 55 | 55 | 55 | 55 |
| Operating Voltage | 3 V to 5 V | 3 V to 5 V | 3 V to 5 V | 3 V to 5 V |
| Operating Temperature | -20 °C to +85 °C | -20 °C to +85 °C | -20 °C to +85 °C | -20 °C to +85 °C |
Bảo phân biệt quan trọng
- Mature 16-bit R8C core with high code density (vsGeneric 8-bit 8051-based MCU at similar MHz)
- Wide 3 V to 5 V supply tolerance in a single part (vs3.3 V-only Cortex-M0 MCUs)
- Multiple suffix-code siblings ensure drop-in substitution (vsSingle-ordering-code MCUs from competitors)
Ghi chú thiết kế
Place 0.1 µF ceramic decoupling capacitors within 3 mm of every VCC/AVCC pin and a single 4.7-10 µF bulk capacitor near the package. The M16C/Tiny/28 internal voltage regulator requires stable 3-5 V supplies; noisy rails can cause flash programming failures during in-circuit serial programming sequences. For battery-powered designs, leverage the MCU's low-power stop and wait modes to drop quiescent current into the µA range between sensor acquisitions.
Route the analog signals (AN0-AN7) away from high-frequency digital traces to avoid crosstalk into the A/D converter. If the design uses the internal oscillator, leave the XIN/XOUT pins free of nearby switching signals to prevent injection locking. Provide a solid ground plane beneath the 64-LQFP and stitch vias around the package perimeter to improve EMI immunity and thermal dissipation.
Do not leave unused I/O pins floating - configure them as outputs with defined logic levels or enable the internal pull-ups to minimize standby current. The MODE pin must be pulled to its inactive state during normal operation or the MCU enters test/programming mode. When migrating from mask-ROM variants of the M16C/Tiny/28 to the flash-based F6 version, verify the vector-table layout matches the application's startup expectations before committing firmware.
If the application drives long cables or relay coils, add TVS diodes and series resistors on I/O pins to protect the MCU from ESD and inductive kickback. The 64-LQFP bond-wire inductance can ring when switching fast edges into capacitive loads; a 22-33 Ω series resistor damps the resonance. For UART lines running above 115200 baud, keep the trace length below 50 mm or add a small guard ground to prevent reflections.
Thông tin tuân thủ
Pb-free per Mouser listing 'Pb-free 64-QFP' snippet. RoHS/REACH compliance inferred from Renesas product family documentation; AEC-Q100 not explicitly listed for this suffix - check automotive-grade suffixes for that requirement.
